Search Postgresql Archives

Re: When do vacuumed pages/tuples become available for reuse?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



rihad <rihad@xxxxxxx> writes:
> Thanks! Our autovacuum_work_mem = 1GB, so this probably means any space 
> would be available for reuse only at the end of the vacuum?

It's six bytes per dead tuple, last I checked ... you do the math.

> Are there 
> any downsides in decreasing it to, say, 64MB? I see only pluses )

Well, usually people prefer to minimize the number of passes over
the indexes.

			regards, tom lane





[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]

  Powered by Linux